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shm_mnt is as longterm as it gets, TYVM...

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-08-31 12:57:10 -04:00
parent 52e220d357
commit ca4e05195d
1 changed files with 4 additions and 3 deletions
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7
mm/shmem.c
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@ -2615,13 +2615,15 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent)
* tmpfs instance, limiting inodes to one per page of lowmem;
* but the internal instance is left unlimited.
*/
if (!(sb->s_flags & MS_NOUSER)) {
if (!(sb->s_flags & MS_KERNMOUNT)) {
sbinfo->max_blocks = shmem_default_max_blocks();
sbinfo->max_inodes = shmem_default_max_inodes();
if (shmem_parse_options(data, sbinfo, false)) {
err = -EINVAL;
goto failed;
}
} else {
sb->s_flags |= MS_NOUSER;
}
sb->s_export_op = &shmem_export_ops;
sb->s_flags |= MS_NOSEC;
@ -2831,8 +2833,7 @@ int __init shmem_init(void)
goto out2;
}
shm_mnt = vfs_kern_mount(&shmem_fs_type, MS_NOUSER,
shmem_fs_type.name, NULL);
shm_mnt = kern_mount(&shmem_fs_type);
if (IS_ERR(shm_mnt)) {
error = PTR_ERR(shm_mnt);
printk(KERN_ERR "Could not kern_mount tmpfs\n");